The 10 most important things in the world right now

Rosie Perper,Rosie PerperOct 31, 2018, 11:46 IST

An estimated 4,000 people gathered to march for solidarity in the Squirrel Hill neighborhood while President Donald Trump was visiting October 30, 2018 in Pittsburgh, Pennsylvania. The march was in support of the victims of the Tree of Life mass shooting October 27, 2018.Jeff Swensen/Getty Images